90309945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{28807}}^1$

素因数の和:28845

約数の個数: 32

約数和(自身を含む): 165934080

約数和(自身を除く): 75624135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 28807, 86421, 144035, 316877, 432105, 547333, 950631, 1584385, 1641999, 2736665, 4753155, 6020663, 8209995, 18061989, 30103315, 90309945]

約数ペア:

[(1, 90309945), (3, 30103315), (5, 18061989), (11, 8209995), (15, 6020663), (19, 4753155), (33, 2736665), (55, 1641999), (57, 1584385), (95, 950631), (165, 547333), (209, 432105), (285, 316877), (627, 144035), (1045, 86421), (3135, 28807)]